DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:30:02 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 177/Nolan VRSN: W 177-903/Blackwell ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 2,666,382 0.8701 3,064,455 7 171 .035380279 2 A 2,686,495 1.0545 2,547,648 6 90 .031629914 3 A 2,679,023 0.9906 2,704,445 8 55 .017401613 4 A 2,599,877 1.1033 2,356,455 7 31 .021914647 5 D3 16,948,133 1.0199 16,617,446 19 1,828 .015368408 6 G1 14,357,869 1.0062 14,269,399 6 56 .019210824 7 G1 14,156,724 1.0369 13,652,931 5 17 .003074688 8 G1 16,644,070 1.0139 16,415,889 4 7 .000262686 RANDOM TOTALS: 72,738,573 71,628,668 62 2,255 CATG J EXCEPTION VALUES: 10,291,067 8,560,558 CATG D1 EXCEPTION VALUES: 10,152,135 12,030,239 CATG G1 EXCEPTION VALUES: 10,977,590 11,046,909 TOTAL TEST VALUES (4): 104,159,365 103,266,374 MARGIN OF ERROR PERCENT: 5.0000003 MARGIN OF ERROR VALUE: 5,163,319 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 98,103,055 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 104,159,365 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 108,429,693 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 159,020,089 (SEE ISD SUMMARY WORKSHEET) SOURCES: (1) SEE STRATIFIED CATEGORY WORKSHEET REPORTS PTS236, PTS430 (2) NUMBER OF PARCELS SAMPLED BY STAFF (3) TOTAL CATEGORY PARCELS FROM STRATIFICATION REPORT APPRAISAL ROLL, OR SELF-REPORT (4) INCLUDES ANY PARCELS IN A, B, C, D3, F1, G1, G2,OR L1 MARKED AS EXCEPTION PROPERTIES (5) UNSTUDIED CATEGORIES AND SUB-CATEGORIES WERE NOT INCLUDED IN THE CONFIDENCE INTERVAL VALUES
